package com.ww.myblog.interceptor;

import com.fasterxml.jackson.databind.cfg.HandlerInstantiator;
import org.springframework.web.servlet.handler.HandlerInterceptorAdapter;

import javax.servlet.http.HttpServletRequest;
import javax.servlet.http.HttpServletResponse;

public class LoginInterceptor extends HandlerInterceptorAdapter {
    // 配置拦截器，如果session中没有user，那么就重定向到admin页面
    @Override
    public boolean preHandle(HttpServletRequest request, HttpServletResponse response, Object handler) throws Exception {
        if(request.getSession().getAttribute("user") == null){
                response.sendRedirect("/admin");
                return false;
        }
        return true;
    }
}
